The application of technology to libraries, possible library systems of the future, and problems of effecting a transition between the present and the future are examined. The report identifies a series of recognized or assumed service and operations requirements, surveys major technologies applicable to libraries, and reviews current and planned applications of technology in libraries. Particular areas or functions in which technology has not been adequately explored are identified, and estimates are given of the likely role of technology in libraries some five to ten years hence, both with and without some kind of accelerating influence. Some of the issues and problems associated with charting and implementing an effective course of action are examined, and a program of action is outlined and recommended for implementation. The program covers five recommended "high-impact" network systems projects, together with a supporting program of technology-oriented library research, development, education and training. Establishment of a permanent body is recommended to plan and manage these and other programs for nationwide library improvement. (Author/CM)